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CAS 126714-85-0

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2,3-Dichlorothiophene-5-sulphonyl chloride

Description:
2,3-Dichlorothiophene-5-sulphonyl chloride is a chemical compound characterized by its sulphonyl chloride functional group, which imparts reactivity typical of sulphonyl chlorides. This compound features a thiophene ring, a five-membered aromatic heterocycle containing sulfur, with two chlorine substituents at the 2 and 3 positions, and a sulphonyl chloride group at the 5 position. The presence of chlorine atoms enhances its electrophilic character, making it useful in various synthetic applications, particularly in the preparation of sulphonamide derivatives and other functionalized compounds. It is typically a solid at room temperature and may exhibit moderate to high reactivity with nucleophiles, including amines and alcohols. Due to the presence of chlorine and sulphonyl chloride, it can be corrosive and should be handled with care, following appropriate safety protocols. Its applications are often found in organic synthesis, pharmaceuticals, and agrochemicals, where it serves as an important intermediate in the development of more complex molecules.
Formula:C4HCl3O2S2
InChI:InChI=1/C4HCl3O2S2/c5-2-1-3(10-4(2)6)11(7,8)9/h1H
SMILES:c1c(c(Cl)sc1S(=O)(=O)Cl)Cl
Synonyms:
  • 4,5-Dichlorothiophene-2-sulphonyl chloride
  • 2,3-Dichlorothiophene-5-sulfonyl chloride
  • 4,5-Dichlorothiophene-2-Sulfonyl Chloride
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